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August 1, 2020 Service bulletin

Head unit resets when navigation is used in certain locations

BMW technical service bulletin B651520 for 2019-2020 BMW X5, 2018-2020 BMW X3 and 2019-2020 BMW Z4 and others.

Bulletin number
B651520
Component
Electrical system
Summary
HEAD UNIT RESETS WHEN NAVIGATION IS USED IN CERTAIN LOCATIONS: The head unit resets sporadically causing the CID to turn black and then starts up again after a short time with the message "Start navigation system". This only occurs during navigation guidance when the "3D building" function is used Software in the Head Unit High (HU-H3).

Owners of these vehicles have filed 354 complaints in the electrical category.

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